Java学习之用图形用户界面设计一个注册界面

你的名字 2023-01-18 06:42 186阅读 0赞

**案例代码：**

import java.awt.*;
    import java.awt.event.*;
    import javax.swing.*;
    public class Login extends JFrame implements ActionListener {
        
    	private JLabel jLabelName,jLabelAge, jLabelSex,jLabelInterest,jLabelIntro;
    	private JTextField jtfName,jtfAge;
    	private JPanel p;
    	private JRadioButton rb1 , rb2 ;
    	private JCheckBox jchk1, jchk2 ;
    	private JTextArea jta;
    	private JButton jButton1,jButton2;
    	public Login() {
        
    		this.setTitle("注册");
    		Container cp = this.getContentPane();
    		cp.setLayout (new BorderLayout ());
    		p = new JPanel();
    		p.setLayout (new FlowLayout());
    		jLabelName = new JLabel("姓		名");
    		jtfName = new JTextField(7);
    		jLabelAge = new JLabel("年		龄");
    		jtfAge = new JTextField (7);
    		jLabelSex = new JLabel("性		别"); 
    		rb1 = new JRadioButton("男",false);
    		rb2 = new JRadioButton("女",true);
    		ButtonGroup group = new ButtonGroup();
    		group.add(rb1);
    		group.add(rb2) ;
    		jLabelInterest = new JLabel("擅长");
    		jchk1 = new JCheckBox ("Java");
    		jchk2 = new JCheckBox("C");
    		jLabelIntro = new JLabel("自我介绍");
    		jta = new JTextArea("自我介绍",5,5);
    		JScrollPane jsp1 = new JScrollPane(jta,
    			JScrollPane.VERTICAL_SCROLLBAR_ALWAYS,
    			JScrollPane.HORIZONTAL_SCROLLBAR_AS_NEEDED);
    		jButton1 = new JButton("确定");
    		jButton2 = new JButton("重置");
    		p.add (jLabelName ) ;
    		p.add (jtfName) ;
    		p.add (jLabelAge);
    		p.add (jtfAge);
    		p.add (jLabelSex);
    		p.add (rb1);
    		p.add (rb2) ;
    		p.add (jLabelInterest);
    		p.add (jchk1);
    		p.add (jchk2);
    		p.add (jLabelIntro) ;
    		p.add(jsp1);
    		jButton1.addActionListener(this);
    		jButton2.addActionListener(this);
    		p.add (jButton1);
    		p.add (jButton2);
    		cp.add(p);
    }
    	public void actionPerformed (ActionEvent e)
    		{
         
    			if (e.getSource() == jButton1 )
    			{
        
    		String mess1 ;
    		mess1 ="姓名: "+jtfName. getText()+",年龄:"+jtfAge. getText();
    		if(rb1.isSelected ())
    		mess1 = mess1 +",性别:男";
    		else
    		mess1 = mess1+",性别:女";
    		if(jchk1.isSelected ())
    		mess1 = mess1 +",擅长: Java";
    		if (jchk1.isSelected ())
    		mess1 = mess1 +",擅长: c";
    		mess1 = mess1 +",自我介绍:"+jta.getText();
    		JOptionPane. showMessageDialog (this,
    		mess1,
    		"INPORMATION_ MESSAGE",
    		JOptionPane.INFORMATION_MESSAGE);
    		}
    		else if (e.getSource() == jButton2){
        
    			JOptionPane.showMessageDialog (this,
    				"您确定信息重置",
    				"WARNING_MESSAGE",
    				JOptionPane. WARNING_MESSAGE);
    				jtfName.setText("");
    				jtfAge. setText("");
    				jta.setText("");
    				}
    		}
    	public static void main (String[] args){
        
    			Login frame = new Login ();
    			frame. setSize(150,330);frame. setVisible (true);
    			frame.setDefaultCloseOperation (JFrame. EXIT_ON_CLOSE);
    		}
    	}

**案例运行图：**

![在这里插入图片描述][20210501120642384.png_pic_center]

[20210501120642384.png_pic_center]: /images/20221021/2d453d3bda7f4eb0b5c6f314d70655da.png